package com.zcf.service.impl;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import com.zcf.service.UploadService;
import com.zcf.utils.PathUtils;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;


import java.io.InputStream;
import java.util.Objects;

/**
 * @author zcf
 */
@Service("uploadServiceImpl")
@ConfigurationProperties(prefix = "oss")
@Data
public class UploadServiceImpl implements UploadService {
    private String accessKey;
    private String secretKey;
    private String bucket;

    @Override
    public String upload(MultipartFile file) {
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.huadong());
        cfg.resumableUploadAPIVersion = Configuration.ResumableUploadAPIVersion.V2;// 指定分片上传版本
//...其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);

//默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = PathUtils.generateFilePath(file.getOriginalFilename());
        try {
            InputStream inputStream = file.getInputStream();
            Auth auth = Auth.create(accessKey, secretKey);
            String upToken = auth.uploadToken(bucket);
            try {
                Response response = uploadManager.put(inputStream, key, upToken, null, null);
                //解析上传成功的结果
                DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
                System.out.println("上传成功，生成的key是" + putRet.key);
                System.out.println("上传成功，生成的hash是" + putRet.hash);
                return "http://sbw09q7l5.hd-bkt.clouddn.com/" + key;
            } catch (QiniuException ex) {
                ex.printStackTrace();
                if (ex.response != null) {
                    System.err.println(ex.response);
                    try {
                        String body = ex.response.toString();
                        System.err.println(body);
                    } catch (Exception ignored) {
                    }
                }
            }
        } catch (Exception ex) {
            //ignore
        }
        return "上传失败";
    }
}